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30013120031430 = 23517591263745007
BaseRepresentation
bin1101101001011111110010…
…10110111010101011000110
310221021020002221100102010010
412310233321112322223012
512413213332212001210
6143455500443011050
76215243043665544
oct664577126725306
9127236087312103
1030013120031430
1196215468a9938
1234488b1209a86
1313992c0649263
1475a8dda3cd94
15370a9ba3a920
hex1b4bf95baac6

30013120031430 has 64 divisors (see below), whose sum is σ = 72079743098880. Its totient is φ = 7998137956224.

The previous prime is 30013120031417. The next prime is 30013120031443. The reversal of 30013120031430 is 3413002131003.

It is an interprime number because it is at equal distance from previous prime (30013120031417) and next prime (30013120031443).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30013120031397 and 30013120031406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666831987 + ... + 666876993.

It is an arithmetic number, because the mean of its divisors is an integer number (1126245985920).

Almost surely, 230013120031430 is an apocalyptic number.

30013120031430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30013120031430 is an abundant number, since it is smaller than the sum of its proper divisors (42066623067450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30013120031430 is a wasteful number, since it uses less digits than its factorization.

30013120031430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59413.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30013120031430 its reverse (3413002131003), we get a palindrome (33426122162433).

The spelling of 30013120031430 in words is "thirty trillion, thirteen billion, one hundred twenty million, thirty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1759 3518 5277 8795 10554 12637 17590 25274 26385 37911 45007 52770 63185 75822 90014 126370 135021 189555 225035 270042 379110 450070 675105 1350210 22228483 44456966 66685449 79167313 111142415 133370898 158334626 222284830 237501939 333427245 395836565 475003878 568753459 666854490 791673130 1137506918 1187509695 1706260377 2375019390 2843767295 3412520754 5687534590 8531301885 17062603770 1000437334381 2000874668762 3001312003143 5002186671905 6002624006286 10004373343810 15006560015715 30013120031430